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EPA Air · stack tests by year
Air-emissions stack tests in 2022
- 29,136Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2022
- California 10,813
- Ohio 2,355
- Indiana 1,925
- Florida 1,564
- Oklahoma 1,350
- Georgia 1,096
- New Mexico 981
- Pennsylvania 830
- Alabama 630
- Mississippi 577
- Arkansas 562
- Colorado 460
- Iowa 434
- Missouri 359
- Texas 288
- Michigan 288
- Wisconsin 262
- Washington 260
- North Carolina 252
- Kentucky 245
- Wyoming 241
- Minnesota 236
- South Carolina 228
- West Virginia 210
- Delaware 209
- Utah 162
- Montana 155
- Nebraska 143
- Nevada 137
- Illinois 136
- Tennessee 134
- Louisiana 131
- Alaska 131
- Virginia 126
- Maine 116
- Connecticut 115
- Arizona 114
- New York 113
- North Dakota 110
- New Jersey 104
- Idaho 99
- Hawaii 69
- District of Columbia 60
- South Dakota 55
- Maryland 52
- Oregon 49
- New Hampshire 48
- Puerto Rico 39
- Kansas 37
- Rhode Island 23
- Massachusetts 19
- Vermont 4
Other years
Air-emissions stack tests recorded in 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA GAS TRANSMISSION COMPANY, LLC | BROOKER, Bradford, FL | Pass | State |
| 2022-07-25 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2022-07-25 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2022-07-25 | CITY OF TALLAHASSEE | SAINT MARKS, Wakulla, FL | Pass | State |
| 2022-07-25 | CITY OF TALLAHASSEE | SAINT MARKS, Wakulla, FL | Pass | State |
| 2022-07-25 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2022-07-25 | LOUIS DREYFUS COMPANY GRAND JUNCTION, LLC | GRAND JUNCTION, Greene, IA | Pass | State |
| 2022-07-25 | CALIFORNIA BAY PRODUCTION FACILITY SL 21380 #1 | PORT SULPHUR, Plaquemines, LA | Pass | State |
| 2022-07-25 | GEORGIA PACIFIC WOOD PRODUCTS LLC, TAYLORSVILLE | TAYLORSVILLE, Smith, MS | Pass | State |
| 2022-07-25 | GULF SOUTH PIPELINE COMPANY LLC, MCCOMB COMPRESSOR STATION | JAYESS, Walthall, MS | Pass | State |
| 2022-07-25 | KNOA PHARMACEUTICALS LLC | WILSON, Wilson, NC | Pass | State |
| 2022-07-25 | PETRY BOOSTER STATION | MALAGA, Eddy, NM | Pass | State |
| 2022-07-25 | PETRY BOOSTER STATION | MALAGA, Eddy, NM | Pass | State |
| 2022-07-25 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-07-25 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-07-25 | BIG LIZARD COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2022-07-25 | CARMEUSE LIME, INC - GRAND RIVER OPERATIONS — high-priority violation on file | GRAND RIVER, Lake, OH | Pass | State |
| 2022-07-25 | EOG RESOURCES, INC. - SCHIAPPA TRUST A 27-7-2 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2022-07-25 | EOG RESOURCES, INC. - SCHIAPPA TRUST A 27-7-2 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2022-07-25 | EOG RESOURCES, INC. - SCHIAPPA TRUST A 27-7-2 PAD | RICHMOND, Jefferson, OH | Pass | State |
| 2022-07-25 | ET GATHERING PROCESSING LLC / ALEX COMPRESSOR STATION | ALEX, Grady, OK | Pass | State |
| 2022-07-25 | ET GATHERING PROCESSING LLC / ALEX COMPRESSOR STATION | ALEX, Grady, OK | Pass | State |
| 2022-07-25 | SUPERIOR MIDSTREAM LLC / BELMON GAS PLANT | TONKAWA, Kay, OK | Pass | State |
| 2022-07-25 | EQT ARO LLC/TRACT 289 COMP STA — high-priority violation on file | JERSEY SHORE, Lycoming, PA | Pass | State |
| 2022-07-25 | EQT ARO LLC/ELBOW PAD B COMP STA — high-priority violation on file | COGAN HOUSE, Lycoming, PA | Pass | State |
| 2022-07-25 | GE (GREENVILLE) GAS TURBINES LLC | GREENVILLE, Greenville, SC | Pass | State |
| 2022-07-25 | SIMCOE - MIERA CENTRAL DELIVERY POINT | LA PLATA COUNTY, La Plata, CO | Pass | U.S. EPA |
| 2022-07-25 | LAKESIDE INDUSTRIES INC | COVINGTON, King, WA | Pass | Local |
| 2022-07-25 | LAKESIDE INDUSTRIES INC | COVINGTON, King, WA | Pass | Local |
| 2022-07-25 | LAKESIDE INDUSTRIES INC | COVINGTON, King, WA | Pass | Local |
| 2022-07-25 | LAKESIDE INDUSTRIES INC #32 | ISSAQUAH, King, WA | Pass | Local |
| 2022-07-25 | LAKESIDE INDUSTRIES INC #32 | ISSAQUAH, King, WA | Pass | Local |
| 2022-07-25 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2022-07-25 | MANITOWOC PUBLIC UTILITIES | MANITOWOC, Manitowoc, WI | Pass | State |
| 2022-07-25 | APPALACHIA MIDSTREAM SERVICES, L.L.C., RIDGELINE STATION | CAMERON, Marshall, WV | Pass | State |
| 2022-07-25 | BLACKS FORK GAS PLANT (HARVEST MIDSTREAM COMPANY) | GRANGER, Sweetwater, WY | Pass | State |
| 2022-07-24 | HILCORP ALASKA, LLC / NORTHSTAR PRODUCTION FACILITY (NOR) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2022-07-24 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | Pass | State |
| 2022-07-24 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | Pass | State |
| 2022-07-24 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | Pass | State |
| 2022-07-24 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | Pass | State |
| 2022-07-24 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | Pass | State |
| 2022-07-24 | RAVENSWOOD GENERATING STATION | QUEENS, Queens, NY | Pass | State |
| 2022-07-22 | CROSSVILLE PELLETS, LLC — high-priority violation on file | CROSSVILLE, DeKalb, AL | Pass | State |
| 2022-07-22 | CROSSVILLE PELLETS, LLC — high-priority violation on file | CROSSVILLE, DeKalb, AL | Pass | State |
| 2022-07-22 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2022-07-22 | FORT MYER CONSTRUCTION PLANT I | WASHINGTON, District of Columbia, DC | Pass | State |
| 2022-07-22 | JEA | JACKSONVILLE, Duval, FL | Pass | State |
| 2022-07-22 | TAMPA ELECTRIC COMPANY (TEC) | GIBSONTON, Hillsborough, FL | Pass | State |
| 2022-07-22 | FLORIDA GAS TRANSMISSION COMPANY | ORLANDO, Orange, FL | Pass | State |
| 2022-07-22 | FLORIDA GAS TRANSMISSION COMPANY | ORLANDO, Orange, FL | Pass | State |
| 2022-07-22 | FLORIDA GAS TRANSMISSION COMPANY | ORLANDO, Orange, FL | Pass | State |
| 2022-07-22 | FLORIDA GAS TRANSMISSION COMPANY | ORLANDO, Orange, FL | Pass | State |
| 2022-07-22 | FLORIDA GAS TRANSMISSION COMPANY | ORLANDO, Orange, FL | Pass | State |
| 2022-07-22 | FLORIDA GAS TRANSMISSION COMPANY | ORLANDO, Orange, FL | Pass | State |
| 2022-07-22 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2022-07-22 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2022-07-22 | IRVING MATERIALS INC DBA PARK ASPHALT | MUNCIE, Delaware, IN | Pass | State |
| 2022-07-22 | IRVING MATERIALS INC DBA PARK ASPHALT | MUNCIE, Delaware, IN | Pass | State |
| 2022-07-22 | IRVING MATERIALS INC DBA PARK ASPHALT | MUNCIE, Delaware, IN | Pass | State |
| 2022-07-22 | IRVING MATERIALS INC DBA PARK ASPHALT | MUNCIE, Delaware, IN | Pass | State |
| 2022-07-22 | CASCO BAY ENERGY COMPANY, LLC | VEAZIE, Penobscot, ME | Pass | State |
| 2022-07-22 | CONTINENTAL CEMENT COMPANY LLC — high-priority violation on file | HANNIBAL, Ralls, MO | Pending | State |
| 2022-07-22 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Fail | State |
| 2022-07-22 | MARTIN MARIETTA MATERIALS, INC. - ASHEBORO QUARRY | ASHEBORO, Randolph, NC | Pass | State |
| 2022-07-22 | MARKWEST - RED HILLS COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-07-22 | MARIGOLD MINE | VALMY, Humboldt, NV | Pass | State |
| 2022-07-22 | MARIGOLD MINE | VALMY, Humboldt, NV | Pass | State |
| 2022-07-22 | DCP OPERATING CO LP / LINDSAY BRADLEY COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2022-07-22 | HOMER CITY GEN LP/CENTER TWP | HOMER CITY, Indiana, PA | Pass | State |
| 2022-07-22 | ELLWOOD NATL FORGE/IRVINE | IRVINE, Warren, PA | Pass | State |
| 2022-07-22 | LAUSCHA FIBER INTERNATIONAL | SUMMERVILLE, Dorchester, SC | Pass | State |
| 2022-07-22 | SANDERS BROTHERS CONSTRUCTION COMPANY INC N CHARLESTON PLANT | NORTH CHARLESTON, Charleston, SC | Pass | State |
| 2022-07-21 | HILCORP ALASKA, LLC / NORTHSTAR PRODUCTION FACILITY (NOR) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2022-07-21 | CROSSVILLE PELLETS, LLC — high-priority violation on file | CROSSVILLE, DeKalb, AL | Pass | State |
| 2022-07-21 | CROSSVILLE PELLETS, LLC — high-priority violation on file | CROSSVILLE, DeKalb, AL | Pass | State |
| 2022-07-21 | WESTROCK MILL COMPANY LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2022-07-21 | ASCEND PERFORMANCE MATERIALS LLC — high-priority violation on file | DECATUR, Morgan, AL | Pass | State |
| 2022-07-21 | MPLX TERMINALS LLC BIRMINGHAM TERMINAL | BIRMINGHAM, Jefferson, AL | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.